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Finding the Fourth Proportional to 32,320.80, 48,452.40 and 19,159.20

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Solution

The fourth proportional to 32,320.80, 48,452.40 and 19,159.20 is: 28,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,320.80 : 48,452.40 = 19,159.20 : x
  2. Step 2: Convert to fraction form
    32,320.80/48,452.40 = 19,159.20/x
  3. Step 3: Cross multiply
    32,320.80x = 48,452.40 × 19,159.20
  4. Step 4: Simplify right side
    32,320.80x = 928,309,222.08
  5. Step 5: Solve for x
    x = 928,309,222.08/32,320.80
  6. Step 6: Final answer
    x = 28,721.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.